I sent Kopi this brief: "Re-engagement campaign for lapsed subscribers, dark background, single CTA to a discount code page, matches our navy/gold brand palette."
What came back was a complete HTML email — proper hierarchy, mobile-responsive layout, gold CTA button with contrast that actually clears the threshold — in under 5 minutes. Before sending, it gets an automated design critique: layout hierarchy, mobile readability, CTA contrast, and 12 other criteria scored 0–100. The campaign I described above scored 87.
The problem with most email tools isn't the sending infrastructure or the template library. It's the blank canvas. You know roughly what you want but translating "re-engagement, dark, discount" into a finished email means dragging blocks around for hours, guessing whether your CTA contrast is readable on a phone, and finding out the mobile layout broke only after you sent to 10,000 people.
Kopi's public gallery at trykopi.ai/emails shows 400+ emails that scored 80 or above — useful both for seeing what's possible and for calibrating what a good score actually looks like in practice.
It integrates with Klaviyo for direct export and runs as an MCP server, so it works inside Claude Code, Cursor, and ChatGPT if that's where you're already working. It also learns brand-specific design systems — fonts, colors, layout preferences — so you're not re-specifying your palette on every prompt.
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